Portable dental outfit



Feb. 19, 1963 e. SALTZMAN PORTABLE DENTAL OUTFIT Filed March 50, 1960 INV EN TOR. 6601 65 -54Z.7Z/4/V BY M W United States Patent 3,077,665PORTABLE DENTAL OUTFIT George Saltzman, 23 Merit Lane, Jericho, N.Y.Filed Mar. 30, 1960, Ser. No. 18,586 4 Claims. (CI. 32-22) Thisinvention relates to a portable dental outfit including a dental unitand means for supplying an air stream, water stream, water spray and airsuction for use during dental treatment.

The invention has particular reference to a portable dental outfit withmotor driven pump means arranged in an electric circuit with the motorfor operating the dentist drilling unit and with flexible conduitsconnecting the pump means with an air gun, water gun, water spray headand an aspirator for use thereof during dental treatment.

The invention further comprehends a portable case having means on a wallthereof for mounting receptacles for supplying water for the water gunand spray head and for collecting fluids taken by the aspirator duringthe dental treatment and which are connected by conduits with the pumpmeans and may readily be removed for refilling or cleaning.

Still another object of the invention is to provide an apparatus of saidcharacter which provides the necessary requirement for a dentist forconducting dental treatment and in which air, water, water spray and anaspirator are available by the closing of electrical switchesconveniently located when the case is set up for use and which puts inoperation the motors for the dentist unit and the pump means forcreating the air and water flow and suction for the aspirator.

With the foregoing and other objects in view, reference is now made tothe following specification and accompanying drawings in which thepreferred embodiment of the invention is illustrated.

In the drawings:

FIG. 1 is a perspective view of a portable case which houses a completedental outfit constructed in accordance with the invention andconstitutes a stand for mounting receptacles on a wall thereof forsupplying water and water spray, and receiving fluids drained from themouth of the patient.

FIG. 2 is a schematic view of the dental outfit.

Referring to the drawings, a case is provided for portably carrying acomplete dental outfit which may be set up for use by a dentist for anydesired dental treat ment.

The outfit includes a dental unit 11 which is adapted to be arranged inoperative relation on a wall 12 disposed in the upper portion of thecase 10 so as to provide an upper compartment for containing the dentalunit in collapsed condition. The dental unit 11 consists of pivotallyand telescopically associated linkage sections 13, 14 and 15 and a head16 mounted on the outer section 13 for receiving drills .and the like.The inner section 15 is pivotally mounted on a base 17 above the wall 12and which base is mounted for turning movement for universal movement ofthe dental unit.

Flexible conduits 18, 19, 20 and 21 are provided for supplying an airstream, a Water stream, a water spray and a suction. The said conduitsslidably protrude through openings 22, 23, 24 and 25 in the wall 12 andare respectively provided at the outer ends thereof with an air gun 26,a water gun 27, a coupling 28 and an aspirator 29. The conduit 20 isadapted to be connected with a smaller flexible conduit 30 extendingalong and aflixed to the linkage sections 13, 14 and 15 and with a waterspray nozzle 31 at the outer end thereof directed toward the drill orother instrumentality carried by the "ice head 16. When not in use theconduits 18, 19 and 21 are retracted within the case 10 with the air gun26, water gun 27 and aspirator 29 being of a size to prevent retractionthrough the openings 22, 23 and 25 whereby the same are disposed inupstanding relation above the wall 12 and may be lifted from positionthereon as desired for use. The coupling 28 permits of the disconnectingof the conduits 20 and 30 and when disconnected the coupling 28 may bedisposed in upstanding relation at the opening 24.

The conduits 19, 20 and 21 protrude through openings 34, 35 and 36 in aninner wall 37 at one side of the case 10 and extend downwardly intoreceptacles 38, 39 and 40 through covers which seal the receptacles. Thereceptacles are mounted on said wall by brackets 41, 42 and 43respectively which permit of the removal of the receptacles for fillingor cleaning. The conduit 19 includes an upper section 19' and a lowersection 19". The upper section 19' has its lower end slightly enlargedand secured in said opening 34. The section 19" is secured in the cover45 of the receptacle 38 with the lower end thereof disposed adjacent thebottom of the receptacle. The upper end of said section is slidably andreleasably secured in the open lower end of the section 19 forconnecting said sections together. Similarly the conduit 20 includes anupper section 20' and a lower section 20". 'The upper section 20' hasits lower end slightly enlarged and secured in said opening 35. Thelower section 20" is secured in the cover 46 of the receptacle 39 withthe lower end thereof located adjacent the bottom of said receptacle.The upper end of the section 20" is slidably and releasably secured inthe open lower end of the section 20 for connecting said sectionstogether. The conduit 21 also includes an upper section 21 and a lowersection 21". The upper section 21' has its lower end secured in saidopening 36 and the section 21" is secured in the cover 47 of thereceptacle 40 with the open end thereof terminating adjacent said cover.The upper end of the section 21" is slidably and releasably secured inthe open lower end of the section 21 for connecting said sectionstogether when the dental outfit is to be set up. The receptacles 38 and39 are adapted to contain water for supplying water through the watergun 27 and water spray through the nozzle 31. For this purpose anelectric motor 48 is affixed to the bottom wall of the case 10 andoperatively connected with said motor at one end thereof is an airpressure pump '49. The outlet from the air pressure pump is connected toa header 50 from which branches the flexible conduit 18 for supplyingair under pressure to the air gun 26. Air under pressure is alsosupplied to the receptacles 38 and 39 through flexible conduits 52 and53 which branch from the header 50 and extend through the covers 45 and46 respectively. The conduit 52 includes a lower section 52 and an uppersection 52", the lower section 52' is connected to the header and hasits upper end slightly enlarged and secured in an opening 54 in the sidewall 37 of the case 10. The upper section 52" is secured in the cover 45of the receptacle 38 with the open end thereof terminating adjacent saidcover. The outer end of the section 52" is slidably and releasablysecured in the open upper end of the section 52 for connecting saidsections together when the dental outfit is to be set up. Similarly theflexible conduit 53 includes a lower section 53' and an upper section53". The lower section 53' is connected to said header and has its upperend slightly enlarged and secured in an opening 55 in the side wall 37.The section 53" is connected with a volume control valve 56 and with theflexible conduit section 20" through a venturi 57. A suction pipe 58 isconnected with the venturi and is secured in the cover 46 w1th the lowerend thereof disposed adjacent the bottom of the receptacle 39 fordrawing water from the receptacle by the action of the venturi andforcing the same through the conduits 20 and 30 to be discharged in theform of a spray through the spray nozzle 31. The upper end of theconduit section 53 is slidably and releasably secured in the open upperend of the section 53'. A solenoid valve 59 is arranged in the conduit53 for automatically closing off the flow of air to the venturi when theelectric circuit 66 is disconnected. An air pressure relief valve 61 isarranged in the header 50 which is set to provide the desired airpressure in the header and conduits 18, 52 and 53 and to relieve thebuild up of air pressure in the header when the air gun 26, water gun 27or water spray 31 are not in active use since the pump 49 is in constantoperation when the outfit is set up.

The receptacle 48 is connected with a suction pump 62 by means of aflexible conduit 63, the pump 62 being operatively connected to themotor 48 at the opposite end from the pump 49. The conduit '63 includesconduit sections 63' and 63", the section 63' being connected with theinlet end of the suction pump 62 and the upper end thereof beingslightly enlarged and secured in an opening 64 in the side wall 37. Anair suction relief valve 65 is arranged in the conduit 63 for relievingthe suction in the conduit 63 if the aspirator 29 becomes clogged duringuse. The section 63" is secured in the cover 47 of the receptacle 40with the lower end thereof located adjacent the cover and the upper endthereof slidably and releasably secured in the open upper end of thesection 63' for connecting said sections together.

The base 17 of the dental unit 11 is mounted for manual turning movementon the protruding upper end of the housing of an electric motor 66 whichis secured by brackets 67 to the under side of the wal 12 with thearmature shaft 68 thereof-protruding through said wall and having apulley wheel 69 aflixed to the end of said shaft. This provides means bywhich the base 17 and the dental unit '11 may be manually turnedconcentrically about the shaft 68. The pulley wheel 69 afiixed theretohas an endless belt 70 trained thereabout and about pulley wheelscarried by the linkage sections 13, 14 and 15 and about the head 16 forturning the drill or other instrumentality secured in said head.

The electric motor 66 is connected in the electric circuit 60 and threesingle pole single throw electric switches 72, 73 and 74 are arranged insaid circuit together with a foot treadle switch '75. The switches 72,73 and 74 protrude through openings in the wall 37 so that the same maybe readily actuated for closing and opening the same. The circuit alsoincludes a plug 76 adapted to be connected with a source of currentsupply and leading therefrom is a conductor wire 77 connected with oneside of the electric motor 66. The other side of the electric motor isconnected by a conductor wire 78 with one side of a resistance 79 in thefoot treadle 75. A conductor wire 80 connects the switch of said treadlewith the plug 76. The switch 72 is arranged in the conductor line 77 andthe circuit 60 is open unless the switch 72 is closed. The motor 48 ofthe pumps 49 and 62 is connected by conductor wires 81 and 82 with theconductor wires 77 and 80. The switch 73 is interposed in the conductor81 for selectively closing the circuit to energize the motor 48. Thesolenoid valve 59 is connected by conductor wires 84 and 85 with theconductor wires 77 and 78 and the switch 74 is interposed in theconductor line 84 for selectively closing the circuit with the solenoid.

When the dental unit 11 is set up with the sections of the severalflexible conduits connected together, the plug 76 is inserted in anoutlet connecting the same with a current supply. The motor 66 may thenbe placed in operation by manipulating the foot treadle. 75. The motor48 may be placed in operation by closing the switch 73 and the switch 74may be closed so as to close the circuit with the solenoid valve 59. Thesolenoid valve 59 remains closed when the motor 66 is not in use. When,however, the foot treadle 75 is actuated to start the motor, thesolenoid valve 59 is energized to open the valve to thereby allow theair pressure to flow through the venturi 57. The water spray nozzle 31is open at all times and when the solenoid valve 59 is open, Water willflow through the spray nozzle 31. The aspirator 29 is also open at alltimes and a suction will be created at the open end thereof when theswitches 72 and 73 are closed. The air gun 26 and the water gun 27 arenormally closed and have trigger releases 87 and 88 respectively whichare biased to maintain the said members in closed relation and to permitof the manual actuation of said trigger releases for the discharge offluid therefrom.

The dental unit 11 is of standard construction and includes pulleywheels 89, 9t) and 91 at each side about which is trained the endlessbelt 70 which is also trained about a pulley wheel 92 carried by thedrill head 16 for rotating the drill or other instrumentality carriedthere-by.

The electrical wires to the foot treadle 75 and to the plug 76 slidablyprotrude through openings 93 and 94 in the Wall 37 whereby the plug 76will be available for insertion in an electrical outlet and the foottreadle 75 will be available for use for starting the motor 66 when thecase is opened up. These electrical wires may be retracted through saidopenings for disposing the plug and foot treadle in the compartmentformed at the side of the case when not in active use.

The case 10 includes a cover 95 hinged to the rear wall thereof forclosing the compartment in the upper portion of the case and whichprojects beyond the wall 37 to form the top wall of the side compartmentin which the said receptacles are located. A cover 96 is hinged to thebot tom wall of the case and is adapted to close the side of said sidecompartment. The covers 95 and 96 have latch means (not shown)releasably latching the same together and a handle member 97 is aflixedto the upper face thereof for facilitating the carrying of the case.

What is claimed is:

I. In a portable dental outfit, a carrying case having a first partitionwall adjacent the top thereof and a second partition wall adjacent oneside thereof thereby providing compartments in the top and at one sideof-said case respectively, a first normally closed receptacle removablymounted on the outer face of said second partition wall and adapted tocontain water for use during dental operation, a second normally closedreceptacle removably mounted on the outer face of said second partitionwall adaptedto receive liquid during dental operation, flexible conduitmeans slidably protruding through openings in said first partitionwalland having their upper ends supported thereon when not in activeuse, said conduit means extending through said second partition wallwith their outer ends extending into said receptacles respectively,motor driven air and suction pump means mounted in said case on thebottom Wall thereof, flexible conduit means connecting said pump meanswith said receptacles respectively adapted for producinga discharge ofwater from saidfirst receptacle through the upper end of one of saidfirst mentioned conduit means during dental operation and for creating asuction at the upper end of the other first mentioned conduit meansadapted for discharging liquid into said second receptacle during dentaloperation, and cover means for closing saidcompartments.

2. In a portable dental outfit, a carrying case having a first,partition wall adjacent the top thereof and a second partition walladjacent one side thereof providing compartments in the top and at oneside of said case respectively, a plurality of normally closedreceptacles removably mounted on the outer face of said second partitionWall and adapted to contain liquid, electric motor, driven pump meansmounted in said case on the bottom wall thereof, a plurality of firstflexible conduit means slidably protruding through openings in saidfirst, partition wall and having their outer ends supported thereon whennot in active use, said conduit means extending through said secondpartition wall and connected with said receptacles respectively, aplurality of second flexible conduit means connected with saidreceptacles respectively and protruding through said second partitionwall and operatively connected with said pump means for supplying aliquid stream through the outer end of one of said first conduit meansfrom one of said receptacles and for supplying a liquid spray throughthe outer end of another of said first conduit means from another ofsaid receptacles and for producing a suction for drawing liquid throughanother of said first conduit means and into another of said receptacleswhen said pump means is in operation, an electric circuit connected withthe electric motor of said electric motor driven pump means andincluding an electric cord adapted to be connected with a source ofcurrent supply for energizing said motor, and cover means hingedlyconnected with said case for closing said compartments when said outfitis not in use.

3. In a portable dental outlfit, a carrying case having a firstpartition wall adjacent the top thereof and a second partition walladjacent one side thereof providing compartments in the top and at oneside of said case respectively, a plurality of normally closedreceptacles removably mounted on the outer face of said second partitionwall and adapted to contain liquid, electrically driven pump meansmounted in said case on the botom wall thereof, a plurality of flexibleconduit means connected with said pump means and extending through saidsecond partition wall and connected with said receptacles respectivelywith the outer ends of said conduit means slidably protruding throughsaid first partition wall and having their outer ends supported thereonwhen not in active use and adapted for discharging liquid from saidreceptacles respectively through the outer ends of said conduit meanswhen said pump means is in operation, and cover means hingedly connectedwith said case for closing said compartments when said outfit is not inuse.

4. In a portable dental outfit, a carrying case having a first partitionwall adjacent the top thereof and a second partition wall adjacent oneside thereof providing compartments in the top and at one side of saidcase respectively, three normally closed receptacles removably mountedon the outer face of said second partition wall and adapted to containliquid, electrically driven pump means mounted in said case on the botomwall thereof, three flexible conduit means connected with said pumpmeans and extending through said second partition wall and connectedwith said receptacles respectively with the outer ends of said conduitmeans slidably protruding through said first partition wall and havingtheir outer ends suported thereon when not in active use and adapted fordischarging liquid from two of said receptacles respectively through twoof said conduit means and for sucking liquid into one of saidreceptacles from one of said conduit means when said pump is inoperation, and cover means hingedly connected with said case for closingsaid compartments when said outfit is not in use.

References Cited in the file of this patent UNITED STATES PATENTS215,851 Wilkerson May 27, 1879 1,552,323 Lehman Sept. 1, 1925 1,907,187Pierce May 2, 1933 2,245,036 Henschel June 10, 1941 2,459,573 MorrowJan. 18, 1949 2,784,717 Thompson Mar. 12, 1957 2,855,672 Franwick et alOct. 14, 1958

3. IN A PORTABLE DENTAL OUTLFIT, A CARRYING CASE HAVING A FIRSTPARTITION WALL ADJACENT THE TOP THEREOF AND A SECOND PARTITION WALLADJACENT ONE SIDE THEREOF PROVIDING COMPARTMENTS IN THE TOP AND AT ONESIDE OF SAID CASE RESPECTIVELY, A PLURALITY OF NORMALLY CLOSEDRECEPTACLES REMOVABLY MOUNTED ON THE OUTER FACE OF SAID SECOND PARTITIONWALL AND ADAPTED TO CONTAIN LIQUID, ELECTRICALLY DRIVEN PUMP MEANSMOUNTED IN SAID CASE ON THE BOTTOM WALL THEREOF, A PLURALITY OF FLEXIBLECONDUIT MEANS CONNECTED WITH SAID PUMP MEANS AND EXTENDING THROUGH SAIDSECOND PARTITION WALL AND CONNECTED WITH SAID RECEPTACLES RESPECTIVELYWITH THE OUTER ENDS OF SAID CONDUIT MEANS SLIDABLY PROTRUDING THROUGHSAID FIRST PARTITION WALL AND HAVING THEIR OUTER ENDS SUPPORTED THEREONWHEN NOT IN ACTIVE USE AND ADAPTED FOR DISCHARGING LIQUID FROM SAIDRECEPTACLES RESPECTIVELY THROUGH THE OUTER ENDS OF SAID CONDUIT MEANSWHEN SAID PUMP MEANS IS IN OPERATION, AND COVER MEANS HINGEDLY CONNECTEDWITH SAID CASE FOR CLOSING SAID COMPARTMENTS WHEN SAID OUTFIT IS NOT INUSE.